# Clerk vs MyBookManager

The clearest difference is device support: MyBookManager at 2 against Clerk's —. Clerk's advantage is iOS requirement (11.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Clerk | MyBookManager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 75 MB | 12 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Tomofumi Ueba](https://appshunter.io/developer/1636195782) | [SEONG-YEON BAE](https://appshunter.io/developer/1646191250) |

## What reviewers say

### Clerk

[App page](https://appshunter.io/ios/app/clerk/id1636195780)

**In-app purchases:** none


### MyBookManager

[App page](https://appshunter.io/ios/app/mybookmanager/id6766170068)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Clerk free?

Clerk is free to download, with no in-app purchases.

### Is MyBookManager free?

MyBookManager is free to download, with no in-app purchases.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*